:Stearalkonium chloride
{{short description|Anti-static agent, surfactant and antimicrobial}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 381034736
| ImageFile=stearalkonium chloride.png
| PIN=N-Benzyl-N,N-dimethyloctadecan-1-aminium chloride
| OtherNames=Dimethylbenzyloctadecylammonium chloride; Benzyldimethyloctadecylammonium chloride; Benzyldimethylstearylammonium chloride; Benzylstearyldimethylammonium chloride; N,N-dimethyl-n-octadecylbenzenemethanaminium chloride
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo=122-19-0
| UNII_Ref = {{cascite|correct|CAS}}
| UNII = 0OUO26BB88
| PubChem=31204
| SMILES=CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1.[Cl-]
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 28945
| InChI = 1/C27H50N.ClH/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22-25-28(2,3)26-27-23-20-19-21-24-27;/h19-21,23-24H,4-18,22,25-26H2,1-3H3;1H/q+1;/p-1
| InChIKey = SFVFIFLLYFPGHH-REWHXWOFAD
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C27H50N.ClH/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22-25-28(2,3)26-27-23-20-19-21-24-27;/h19-21,23-24H,4-18,22,25-26H2,1-3H3;1H/q+1;/p-1
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = SFVFIFLLYFPGHH-UHFFFAOYSA-M
| EINECS = 204-527-9
}}
|Section2={{Chembox Properties
| C=27 | H=50 | Cl=1 | N=1
| Appearance=
| Density=
| MeltingPt=
| BoilingPt=
| Solubility=
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|Section3={{Chembox Hazards
| MainHazards=
| FlashPt=
| AutoignitionPt =
| LD50 = 1250 mg/kg (oral, rat)
}}
}}
Stearalkonium chloride is a type of benzalkonium chloride which is used as an anti-static agent, a surfactant and an antimicrobial. It is an ingredient in some cosmetics and hair care products, particularly conditioners.{{CPID|id=768}} It was originally designed by the fabric industry for use as a fabric softener.
Toxicology studies have determined that stearalkonium chloride is safe and non-toxic at the concentrations typically used in cosmetic products (0.1 to 5%).{{cite journal| title = Final Report on the Safety Assessment of Stearalkonium Chloride | journal = International Journal of Toxicology | volume = 1 | issue = 2 | pages = 57–69 | year = 1982 | doi = 10.3109/10915818209013147| s2cid = 208507695 | doi-access = free }} At higher concentrations (25% solution), it has been shown to cause minor skin and eye irritation in animals.
See also
- {{annotated link|Benzalkonium chloride}}
- {{annotated link|Polyaminopropyl biguanide}}, an alternative preservative for contact lens solutions
- {{annotated link|Ethylenediaminetetraacetic acid}}
- {{annotated link|Triclosan}}
- {{annotated link|Thiomersal}}